#include <iostream>
#include <string>
using namespace std;
class Point
{
private:
   int i,j,k;
public:
   Point():i(0),j(0),k(0){

   }
    Point(int ii, int jj ,int kk):i(ii),j(jj),k(kk){
    
   }
   void print(const string& msg = "") const{
     if(msg.size()!=0)
      cout << msg << endl;
     cout << "i=" << i<<endl;
     cout << "j=" << j <<endl;
     cout << "k=" << k <<endl;
   }
};


